Malicious PDF — malware analysis report

Heuristics 5

• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/160934c3332b88---94097372654.pdf In PDF document text

  • https://renebeumer.nl/userfiles/file/tosoboz.pdfIn PDF document text
  • https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/a79d8f75f10972c7f06658b29c284f6c/zebegorujiwavosirabufoxe.pdfIn PDF document text
  • https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/b9f4960d4d17aa9613643cc127419db1/sawuzazinivakabedoduxib.pdfIn PDF document text
  • http://hgbs.de/userfiles/file/46598301262.pdfIn PDF document text
  • https://aokman-drive.com/d/files/senolevilepide.pdfIn PDF document text
  • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/9d82b1ec4c9a7a66f183e44599096a15/46250618820.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4912c9012d---zusivid.pdfIn PDF document text
  • https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0c983860e---50021573378.pdfIn PDF document text
  • http://unicorn-furnitures.com/d/files/58911660389.pdfIn PDF document text
  • http://waltonjohnsonfamily.com/clients/870437/File/96576857818.pdfIn PDF document text
  • http://schodylux.pl/userfiles/file/ligekonalirimege.pdfIn PDF document text
  • http://kargiskola.ge/myadmin/ckeditor/ckfinder/userfiles/files/12123238543.pdfIn PDF document text
  • http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/160b7b27c04a4f---65925955835.pdfIn PDF document text
  • http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607621c98a2c7---14404783839.pdfIn PDF document text
  • http://eng.sut.ac.th/tce/2016/administrator/ckfinder/userfiles/files/varosoda.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/d0d7a810598ad46ac4c7fa4cdfdd6830/likokafaviviruketoxuk.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160870fd00a68c---nuxibigize.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086793c75b54---paser.pdfIn PDF document text
  • https://indoshaolinkungfusociety.com/ckfinder/userfiles/files/1963822801.pdfIn PDF document text
  • http://yonseri.org/userfiles/files/lafetefasixepaz.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160f8f85d8a4c1---depazefowegitesefap.pdfIn PDF document text
  • https://yepsell.com/userfiles/files/19849940024.pdfIn PDF document text
  • https://denizlihorozu.com/resimler/files/dimuzajadixituteni.pdfIn PDF document text
  • http://55pluscommunityspecialist.com/userfiles/files/87896752166.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=importance+of+being+earnest+pdf+scriptPDF link annotation
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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